Rapid method for the determination of alachlor, atrazine and metolachlor in groundwater by solid-phase extraction

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Abstract
A solid-phase extraction method is described for the separation of alachlor, atrazine and metolachlor from groundwater using solid-phase disposable columns. The method is rapid, reproducible and uses considerably fewer reagents than classical liquid-liquid methods. The average recoveries were greater than 90% for all three compounds.